Question Error acquires to Build a Face Mask Detector with Raspberry Pi

[yam.0]

when i code "cmake -D CMAKE_BUILD_TYPE=RELEASE \"
this reply posting on screen

"CMake Warning:

No source or binary directory provided. Both will be assumed to be the

same as the current working directory, but note that this warning will

become a fatal error in future CMake releases.





CMake Error: The source directory "/home/pi/opencv/build" does not appear to contain CMakeLists.txt.

Specify --help for usage, or press the help button on the CMake GUI"
what is the solutions of that plz help me.

 

[Deleted member 14196]

you getting a make error of course. It says that the directory doesn’t have the text file it’s looking for

 

[yam.0]

So which course i should apply here... You have any idea..
I'm creating mask detection camera using pi 4 4gb and follow the every single command of here https://www.tomshardware.com/how-to/raspberry-pi-facial-recognition
And stuck here "cmake -D CMAKE_BUILD_TYPE=RELEASE \"
Plz help me what i do? Or if you have material about mask detection camera plz share with me. Thanks

 

[Deleted member 14196]

I think you do it just the way they say. So the backslash goes on line below RELEASE

So type in that command and hit the enter key and put there and let us know how it goes. I don’t have a raspberry pie so I can’t do this with you

 

[Alabalcho]

The "cmake "command

cmake -D CMAKE_BUILD_TYPE=RELEASE \
-D CMAKE_INSTALL_PREFIX=/usr/local \
-D OPENCV_EXTRA_MODULES_PATH=~/opencv_contrib/modules \
-D ENABLE_NEON=ON \
-D ENABLE_VFPV3=ON \
-D BUILD_TESTS=OFF \
-D INSTALL_PYTHON_EXAMPLES=OFF \
-D OPENCV_ENABLE_NONFREE=ON \
-D CMAKE_SHARED_LINKER_FLAGS=-latomic \
-D BUILD_EXAMPLES=OFF ..

is a single statement. The '\' symbol means that that line continues on next line, so you're supposed to execute.

The blame should go to the article' author for presenting that code in <sarcasric.>"easy to copy-paste form"</sarcastic>

 

[yam.0]

Same error acquire dude.

 

[Alabalcho]

Same error acquire dude.

Post a screenshot of what you're doing...